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Test Code UIFE Urine Immunofixation with Free Light Chains, Quantitative

Important Note

Aid in the monitoring of patients with urinary monoclonal proteins (Bence Jones protein).

Additional Codes

3002104

Specimen Type

Urine

Preferred Collection Container

24 hr Urine 

Collection Instructions

Refrigerate during collection. 


Record total volume and collection time interval on transport tube and test request form. Transfer two 4 mL aliquots from a well-mixed 24-hour collection to two transport tubes

Collection Volume

Entire urine collection

Minimum Collection Volume

4 mL

Testing Volume

4 mL

Rejection Criteria

Ambient temperature urine. 

Specimen Storage and Stability

Ambient: Unacceptable; Refrigerated: 3 weeks; Frozen: 6 months

Day(s) and Time(s) Performed

Sunday - Saturday

Test Alias

3002104; Immunofixation with FLC; Free Urinary Kappa Light Chains; Free Urinary Kappa / Lambda Ratio; Free Urinary Lambda Light Chains; IFE; IFE Urine; Immunofixation Electrophoresis, urine; Monoclonal protein detection and quantitation, urine; Urinary Light Chains; Bence-Jones Protein; Bence Jones Protein
 

CPT Coding

84156; 86335; 83521 x2

EPIC Code

LAB1869

Methodology

Qualitative Immunofixation and Electrophoresis/Quantitative Immunturbidimetry

Acceptable Collection Container

24-hour urine. Refrigerate during collection. Also acceptable: Random urine specimens and urine supernate.

Transport

Refrigerated
 

Turn Around Time

2-6 days

Lab Department

Referred Testing
 

LOINC

Total Protein 2889-4; Free Urinary Kappa Light Chains 38176-4; Free Urinary Kappa Excretion/Day 38177-2; Free Urinary Lambda Light Chain 38178-0; Free Urinary Lambda Excretion/Day 38169-9; IFE Interpretation 49277-7; Total Volume 19153-6; Hours Collected 30211-7